CN204766045U - Modular artifical temporomandibular joint of full organic polymer material - Google Patents
Modular artifical temporomandibular joint of full organic polymer material Download PDFInfo
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- CN204766045U CN204766045U CN201520479730.4U CN201520479730U CN204766045U CN 204766045 U CN204766045 U CN 204766045U CN 201520479730 U CN201520479730 U CN 201520479730U CN 204766045 U CN204766045 U CN 204766045U
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- China
- Prior art keywords
- temporal bone
- lining
- bone
- fracture plate
- trailing edge
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30988—Other joints not covered by any of the groups A61F2/32 - A61F2/4425
- A61F2/3099—Other joints not covered by any of the groups A61F2/32 - A61F2/4425 for temporo-mandibular [TM, TMJ] joints
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2002/30001—Additional features of subject-matter classified in A61F2/28, A61F2/30 and subgroups thereof
Abstract
The utility model provides a modular artifical temporomandibular joint of full organic polymer material, includes that the temporal bone of polyether ether ketone (PEEK) or derivatives thereof holds in the palm fixed coaptation board and condyle head and fixed coaptation board and ultrahigh molecular weight polyethylene's (UHMWPE) temporal bone lining suddenly, and wherein the temporal bone holds in the palm the upper portion phase -match of fixed coaptation board and temporal bone lining, and the lower part of temporal bone lining is indent U type sphere and suddenly head and fixed coaptation board are continuous with the condyle, condyle suddenly head has a buffering to the glide plane of temporal bone lining, and the temporal bone asks the fixed coaptation board can the fine motion to the stationary plane of temporal bone lining, both phase -matchs. The utility model discloses the meat and potatoes of plant part comprises the macromolecular material in all, has reduced allergy, toxicity problem that metal and its corruption probably arouse, PEEK's elastic modulus and natural bone photo match, have alleviateed stress occlusion problems, PEEK combines UHMWPE's glide plane and stationary plane fine motion, has reduced the wear problem by a wide margin, has added reinforcing and development parts simultaneously, and the practicality obtains further improvement.
Description
Technical field
This utility model relates to a kind of medical implant, is specifically related to the artificial remporomandibular joint of a kind of combination type full stress-strain macromolecular material.
Background technology
Remporomandibular joint is one and is moved the complicated joint (SaderR formed that is combined by hinge type and slidingtype, LeiggenerC, SaldamliB, J ü rgensP, LandesC, ZeilhoferHF:O.635AnewinnovativesolutionfortotalTMJreplac ement.JCraniomaxillofacSurg36 (Suppl.1 (0)): S159, 2008), and it can open and close up to 2000 (Guarda-NardiniL every day, ManfrediniD, FerronatoG:Temporomandibularjointtotalreplacementprosthe sis:currentknowledgeandconsiderationsforthefuture.IntJOr alMaxillofacSurg37 (2): 103e110, 2008).According to epidemiological study, the population of the obstacle that remporomandibular joint causes far reaches 20 to 25%, but only have a few patients to accept treatment (SolbergWK, WooMW, HoustonJB:Prevalenceofmandibulardysfunctioninyoungadults .JAmDentAssoc98 (1): 25e34,1979).The reason of remporomandibular joint displacement comprises condylar fracture, subside or Cancerous disease, ankylosis, joint absorbs again, serious multi-joint inflammation (SidebottomAJ, SalhaR:Managementofthetemporomandibularjointinrheumatoid disorders.BrJOralMaxillofacSurg51 (3): 191e198,2013).The benefit for the treatment of serious temporomandibular joint disease is huge, be included in (KanatasAN in a short time, JenkinsGW, SmithAB, WorrallSF:Changesinpainandmouthopeningat1yearfollowingte mporomandibularjointreplacementdaprospectivestudy.BrJOra lMaxillofacSurg49 (6): 455e458, 2011) significantly reduce pain and improve at maximum opening degree (KanatasAN, NeedsC, SmithAB, MoranA, JenkinsG, WorrallSF:Short-termoutcomesusingtheChristensenpatient-s pecifictemporomandibularjointimplantsystem:aprospectives tudy.BrJOralMaxillofacSurg50 (2): 149e153, 2012).
The remporomandibular joint displacement clinically of current use mainly contains three kinds of (TMJConcepts (Ventura, USA), Biomet (Biomet3iUKLtd, Maidenhead, UK), andChristensen (nowTMJMedical, SaltLakeCity, USA).Remporomandibular joint displacement is combined by metal or different metal and forms, and comprises vitallium and titanium alloy.Except metallic member, the plastic components that also can be made up of acrylic resin or ultra-high molecular weight polyethylene.Prosthese can be made up of metal parts completely or be made up of metal and polymer elements.Christensen system adopts metal to metal slidingsurface (DriemelO, AchT, Muller-RichterUDA, BehrM, ReichertTE, KunkelM, etal:Historicaldevelopmentofalloplastictemporomandibular jointreplacementbefore1945.IntJOralMaxillofacSurg38 (4): 301e307,2009).And TMJConcepts uses titanium alloy body, add the prismatic face composition of cobalt chrome molybdenum and ultra-high molecular weight polyethylene (UHMWPE).And for the patient of cobalt chrome-molybdenum metal sensitivity, sliding surface can replace (SidebottomAJ with titanium alloy, SpeculandB, HensherR.Foreignbodyresponsearoundtotalprostheticmetal-o n-metalreplacementsofthetemporo-mandibularjointintheUK.B rJOralMaxillofacSurg2008; 46:288 – 92).But current remporomandibular joint exchange system, even if in a short time, does not have good clinical effectiveness yet, along with high crash rate, such as to material allergy wait (RamosA, MesnardM.JLoadtransferinChristensen (
) TMJinalloplastictotaljointreplacementfortwodifferentmout hapertures.CraniomaxillofacSurg.2014Oct; 42 (7): 1442-9.doi:10.1016/j.jcms.2014.04.008.Epub2014May2).In some patient, due to the sensitivity response to cochrome, cause metalosis (KanatasAN, JenkinsGW, SmithAB, WorrallSF:Changesinpainandmouthopeningat1yearfollowingte mporomandibularjointreplacementaprospectivestudy.BrJOral MaxillofacSurg49 (6): 455e458,2011).The wearing and tearing of prosthese are also important clinical problem (WolfordLM, PittaMC, Reiche-FischelO, FrancoPF:TMJConcepts/Techmedicacustom-madeTMJtotaljointp rosthesis:5-yearfollow-upstudy.IntJOralMaxillofacSurg32 (3): 268e274,2003).Stress stops that the unstability loosening and cause of the prosthese caused also is a significant clinical problem (AcklandDC, MoskaljukA, HartC, VeeSinLeeP, DimitroulisG.Prosthesisloadingaftertemporomandibularjoin treplacementsurgery:amusculoskeletalmodelingstudy.JBiome chEng.2015Apr; 137 (4): 041001.doi:10.1115/1.4029503.Epub2015Feb5).
Therefore, a kind of new artificial remporomandibular joint overcoming above-mentioned defect expects.
Utility model content
For the technical problem of above-mentioned solution, the purpose of this utility model is the artificial remporomandibular joint of a kind of combination type full stress-strain macromolecular material.
In order to realize above-mentioned utility model, this utility model adopts following technical scheme:
The artificial remporomandibular joint of a kind of combination type full stress-strain macromolecular material, comprising: temporal bone holder fixation bone fracture plate, temporal bone lining and condyle protruding head and fixation bone fracture plate thereof, wherein:
The top that described temporal bone holder fixation bone fracture plate and described temporal bone serve as a contrast matches, wherein said temporal bone holder fixation bone fracture plate is provided with leading edge groove and trailing edge groove, the top of described temporal bone lining is provided with leading edge projection and trailing edge projection, described leading edge groove and described leading edge protrusions, described trailing edge groove and described trailing edge protrusions; The bottom of described temporal bone lining is the U-shaped sphere of indent, and bottom and the described condyle protruding head of described temporal bone lining match, and described condyle protruding head is connected with its fixation bone fracture plate; Described temporal bone holder fixation bone fracture plate is made up of polyether-ether-ketone or derivatives thereof, and described temporal bone lining is made up of ultra-high molecular weight polyethylene, and described condyle protruding head and fixation bone fracture plate thereof are made up of polyether-ether-ketone or derivatives thereof; Described condyle protruding head has buffering to the sliding surface that described temporal bone serves as a contrast, the stationary plane that described temporal bone holder fixation bone fracture plate serves as a contrast described temporal bone can fine motion, and the sliding surface that described condyle protruding head serves as a contrast described temporal bone and the jogging motion of described temporal bone holder fixation bone fracture plate to the stationary plane that described temporal bone serves as a contrast match.
Further, the bottom of described temporal bone lining is mated with described condyle protruding head and is formed joint motion face.
Further, the bottom of described temporal bone lining is mated with described condyle protruding head to be formed and is rotated and the activity pattern of slide anteroposterior.
Further, X-photodevelopment additive is comprised in described temporal bone holder fixation bone fracture plate and described condyle protruding head and fixation bone fracture plate thereof.
Further, described temporal bone lining with described leading edge projection for trailing edge that fulcrum makes temporal bone serve as a contrast is rotatably inserted into the trailing edge of temporal bone holder blade plate.
Further, described trailing edge projection is strip-like-shaped.
Further, described trailing edge protrudes through the mode be clasped and mates with described trailing edge groove.
Owing to adopting above technical scheme, the beneficial effects of the utility model are:
1) major part of all implants parts of the artificial remporomandibular joint of combination type full stress-strain macromolecular material that this utility model provides all is made up of macromolecular material, thus reduces allergy, toxicity problem that metal erosion and metal may cause;
2) elastic modelling quantity and the natural bone of the PEEK in this utility model match, and alleviate stress shielding problem;
3) the PEEK condyle protruding head in this utility model and temporal bone holder fixation bone fracture plate combine the sliding friction surface of UHMWPE tibia liner and stationary plane fine motion, considerably reduce wear problem;
4) add enhancing and developing parts in this utility model, practicality is further enhanced;
5) the assembly type temporal bone lining that this utility model provides adds the selectivity of prosthese in art and simplifies the step of overhauling.
Accompanying drawing explanation
The structural representation of the artificial remporomandibular joint of combination type full stress-strain macromolecular material that Fig. 1 provides for this utility model;
Fig. 2 is the structural representation of the temporal bone holder fixation bone fracture plate that this utility model provides;
Fig. 3 is the structural representation of the temporal bone lining that this utility model provides;
Description of reference numerals
1 temporal bone holder fixation bone fracture plate, 2 temporal bone linings, 3 condyle protruding heads, 4 condyle protruding head fixation bone fracture plate, 5 leading edge grooves, 6 trailing edge grooves, 7 leading edge projections, 8 trailing edge projections.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, this utility model is described in further detail.Should be appreciated that specific embodiment described herein only in order to explain this utility model, and be not used in restriction this utility model.
As Figure 1-3, this utility model provides a kind of combination type full stress-strain macromolecular material artificial remporomandibular joint, comprising: temporal bone holder fixation bone fracture plate 1, temporal bone lining 2 and condyle protruding head 3 and fixation bone fracture plate 4 thereof, wherein:
The top that temporal bone holder fixation bone fracture plate 1 and temporal bone serve as a contrast 2 matches, wherein temporal bone holder fixation bone fracture plate 1 is provided with leading edge groove 5 and trailing edge groove 6, the top of temporal bone lining 2 is provided with leading edge projection 7 and trailing edge projection 8, leading edge groove 5 and leading edge projection 7 match, and trailing edge groove 6 and trailing edge projection 8 match; The bottom of temporal bone lining 2 is the U-shaped sphere of indent, and bottom and the condyle protruding head 3 of temporal bone lining 2 match, and condyle protruding head 3 is connected with its fixation bone fracture plate 4; Temporal bone holder fixation bone fracture plate 1 is made up of polyether-ether-ketone or derivatives thereof, and temporal bone lining 2 is made up of ultra-high molecular weight polyethylene, and condyle protruding head 3 and fixation bone fracture plate 4 thereof are made up of polyether-ether-ketone or derivatives thereof; The sliding surface of condyle protruding head 3 pairs of temporal bones lining 2 has buffering, and the stationary plane of temporal bone holder fixation bone fracture plate 1 pair of temporal bone lining 2 can fine motion, and the jogging motion that the sliding surface of condyle protruding head 3 pairs of temporal bones linings 2 and temporal bone holder fixation bone fracture plate 1 pair of temporal bone serve as a contrast the stationary plane of 2 matches.
In technique scheme, as shown in Figure 1, the bottom of temporal bone lining 2 is mated with condyle protruding head 3 and is formed joint motion face, and forms the activity pattern of rotation and slide anteroposterior.
In technique scheme, in temporal bone holder fixation bone fracture plate 1 and condyle protruding head 3 and fixation bone fracture plate 4 thereof, comprise X-photodevelopment additive.
In technique scheme, temporal bone serves as a contrast 2 with leading edge projection 7 for fulcrum makes the trailing edge of temporal bone lining 2 be rotatably inserted into the trailing edge of temporal bone holder blade plate 1.
In technique scheme, trailing edge projection 8 is strip-like-shaped.
In technique scheme, trailing edge projection 8 is mated with trailing edge groove 6 by the mode be clasped.
As shown in Figures 2 and 3, the assembly process that temporal bone holder blade plate 1 and temporal bone serve as a contrast 2 is: the leading edge groove 5 of temporal bone holder blade plate 1 first and the temporal bone leading edge projection 7 that serves as a contrast 2 match, then temporal bone lining 2 is with leading edge projection 7 for the trailing edge that fulcrum makes temporal bone serve as a contrast 2 is rotatably inserted into the trailing edge of temporal bone holder blade plate 1, and the trailing edge groove 6 that the trailing edge projection 8 that the temporal bone of strip-like-shaped serves as a contrast 2 snaps in corresponding temporal bone holder blade plate 1 completes assembly.
In technique scheme, leading edge projection 7 and the trailing edge projection 8 of temporal bone lining 2 are dislocated for preventing the front and back in joint.
The major part of all implants parts of the artificial remporomandibular joint of combination type full stress-strain macromolecular material that this utility model provides all is made up of macromolecular material, thus allergy, toxicity problem that reduction metal erosion and metal may cause; Elastic modelling quantity and the natural bone of the PEEK in this utility model match, and alleviate stress shielding problem; PEEK condyle protruding head in this utility model and temporal bone holder fixation bone fracture plate combine the sliding friction surface of UHMWPE tibia liner and stationary plane fine motion, considerably reduce wear problem; This utility model adds enhancing and developing parts, and practicality is further enhanced; The assembly type temporal bone lining that this utility model provides adds the selectivity of prosthese in art and simplifies the step of overhauling.
The foregoing is only preferred embodiment of the present utility model, be not used for limiting practical range of the present utility model; If do not depart from spirit and scope of the present utility model, this utility model is modified or equivalent to replace, in the middle of the protection domain that all should be encompassed in this utility model claim.
Claims (7)
1. the artificial remporomandibular joint of combination type full stress-strain macromolecular material, is characterized in that, comprising: temporal bone holder fixation bone fracture plate, temporal bone lining and condyle protruding head and fixation bone fracture plate thereof, wherein:
The top that described temporal bone holder fixation bone fracture plate and described temporal bone serve as a contrast matches, wherein said temporal bone holder fixation bone fracture plate is provided with leading edge groove and trailing edge groove, the top of described temporal bone lining is provided with leading edge projection and trailing edge projection, described leading edge groove and described leading edge protrusions, described trailing edge groove and described trailing edge protrusions; The bottom of described temporal bone lining is the U-shaped sphere of indent, and bottom and the described condyle protruding head of described temporal bone lining match, and described condyle protruding head is connected with its fixation bone fracture plate; Described temporal bone holder fixation bone fracture plate is made up of polyether-ether-ketone or derivatives thereof, and described temporal bone lining is made up of ultra-high molecular weight polyethylene, and described condyle protruding head and fixation bone fracture plate thereof are made up of polyether-ether-ketone or derivatives thereof; Described condyle protruding head has buffering to the sliding surface that described temporal bone serves as a contrast, the stationary plane that described temporal bone holder fixation bone fracture plate serves as a contrast described temporal bone can fine motion, and the sliding surface that described condyle protruding head serves as a contrast described temporal bone and the jogging motion of described temporal bone holder fixation bone fracture plate to the stationary plane that described temporal bone serves as a contrast match.
2. according to the artificial remporomandibular joint of combination type full stress-strain macromolecular material described in claim 1, it is characterized in that, the bottom of described temporal bone lining is mated with described condyle protruding head and is formed joint motion face.
3. according to the artificial remporomandibular joint of combination type full stress-strain macromolecular material described in claim 2, it is characterized in that, the bottom of described temporal bone lining is mated with described condyle protruding head to be formed and is rotated and the activity pattern of slide anteroposterior.
4. according to the artificial remporomandibular joint of combination type full stress-strain macromolecular material described in claim 1, it is characterized in that, in described temporal bone holder fixation bone fracture plate and described condyle protruding head and fixation bone fracture plate thereof, comprise X-photodevelopment additive.
5., according to the artificial remporomandibular joint of combination type full stress-strain macromolecular material described in claim 1, it is characterized in that, described temporal bone lining with described leading edge projection for trailing edge that fulcrum makes temporal bone serve as a contrast is rotatably inserted into the trailing edge of temporal bone holder blade plate.
6., according to the artificial remporomandibular joint of combination type full stress-strain macromolecular material described in claim 1, it is characterized in that, described trailing edge projection is strip-like-shaped.
7. the artificial remporomandibular joint of combination type full stress-strain macromolecular material according to claim 1 or 6, is characterized in that, described trailing edge protrudes through the mode be clasped and mates with described trailing edge groove.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520479730.4U CN204766045U (en) | 2015-07-06 | 2015-07-06 | Modular artifical temporomandibular joint of full organic polymer material |
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| CN201520479730.4U CN204766045U (en) | 2015-07-06 | 2015-07-06 | Modular artifical temporomandibular joint of full organic polymer material |
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| CN204766045U true CN204766045U (en) | 2015-11-18 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105078616A (en) * | 2015-07-06 | 2015-11-25 | 江苏奥康尼医疗科技发展有限公司 | Combined type full-organic polymer material artificial temporal-mandibular joint |
| US11801145B2 (en) | 2020-11-04 | 2023-10-31 | Industrial Technology Research Institute | Temporomandibular joint prosthesis |
-
2015
- 2015-07-06 CN CN201520479730.4U patent/CN204766045U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105078616A (en) * | 2015-07-06 | 2015-11-25 | 江苏奥康尼医疗科技发展有限公司 | Combined type full-organic polymer material artificial temporal-mandibular joint |
| WO2017004743A1 (en) * | 2015-07-06 | 2017-01-12 | 江苏奥康尼医疗科技发展有限公司 | Combined-type artificial temporomandibular joint made of full-organic high-molecular materials |
| US11801145B2 (en) | 2020-11-04 | 2023-10-31 | Industrial Technology Research Institute | Temporomandibular joint prosthesis |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20181212 Address after: Room 494, 4-storey A, No. 84-86-2 Jinghua Road, Xujing Town, Qingpu District, Shanghai, 2010 Patentee after: Shanghai active biotechnology service center Address before: Room 606, Room 9, North Changchun Road, Chengxiang Town, Taicang City, Suzhou City, Jiangsu Province Patentee before: JIANGSU OKANI MEDICAL TECHNOLOGY CO., LTD. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20190301 Address after: 215000 East of No. 52 Workshop of Chuangdu Industrial Workshop, Loujinbei District, Suzhou Industrial Park, Jiangsu Province Patentee after: Suzhou Zhongke Biomedical Material Co., Ltd. Address before: Room 494, 4-storey A, No. 84-86-2 Jinghua Road, Xujing Town, Qingpu District, Shanghai, 2010 Patentee before: Shanghai active biotechnology service center |